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Finding the Fourth Proportional to 2,090.63, 2,885.07 and 1,159.13

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Solution

The fourth proportional to 2,090.63, 2,885.07 and 1,159.13 is: 1,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.63 : 2,885.07 = 1,159.13 : x
  2. Step 2: Convert to fraction form
    2,090.63/2,885.07 = 1,159.13/x
  3. Step 3: Cross multiply
    2,090.63x = 2,885.07 × 1,159.13
  4. Step 4: Simplify right side
    2,090.63x = 3,344,156.76
  5. Step 5: Solve for x
    x = 3,344,156.76/2,090.63
  6. Step 6: Final answer
    x = 1,599.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.